City water profile

Water hardness in La Joya

Find official utility reports, understand hardness, and check the water system serving your home in La Joya, Texas.

Utility-reported hardness

Not yet available

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State comparison: Unavailable
Evidence comparison rank: —
Matched utilities: 1
Active health records: 2

Your tap water

What does the utility report?

Match the utility name to your water bill. These results describe the utility’s water, not a test at your home. A ZIP can include several water systems.

Utility hardness unavailable in this index

Nearby river or groundwater samples cannot tell us the hardness coming out of your tap. Ask your water provider for total hardness as CaCO₃, or test it at home.

Find an official utility report →

Convert a hardness result →Test your tap →

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Your utility’s measurements and compliance records

These are possible serving systems. A record for one system does not apply to every home in this ZIP. Confirm your provider before interpreting a measurement or notice. Federal records can lag current utility notices.

EPA snapshot: 2026Q2. Historical window begins Jan 1, 2021.

City Of La Joya

TX1080213 · Surface water · 3,033 people served system-wide

A municipal system, in-state city, and served county all agree with this Census ZCTA.

2 reported active health-based record(s) for this system

Find this utility’s official report →

Measurements (2)

An action level is a regulatory trigger, not a pass/fail health boundary. A reported zero is the value in the source record and does not establish that lead is absent at your tap.

Lead (90th percentile)

EPA SDWIS Lead and Copper Rule samples

Below action level

Reported level: 0 mg/L
Action level: 0.015 mg/L

0% of the listed benchmark

Monitoring period: Jul 1, 2023 to Dec 31, 2023

TTHM

EPA SDWIS reported health-based violation

Reported violation

Reported level: 0.098 MG/L
Maximum contaminant level: 0.08 MG/L

123% of the listed benchmark

Monitoring period: Jan 1, 2022 to Mar 31, 2022

Violation history (51)

Imported violation history for City Of La Joya
Rule	Status	Period
Public Notice	Unaddressed	Apr 2, 2026
Interim Enhanced Surface Water Treatment Rule	Resolved	Dec 1, 2025 to Dec 31, 2025
Interim Enhanced Surface Water Treatment Rule	Resolved	Nov 1, 2025 to Nov 30, 2025
Consumer Confidence Rule	Unaddressed	Jul 1, 2025
Public Notice	Unaddressed	May 1, 2025
LEAD AND COPPER RULE REVISIONS	Unaddressed	Oct 17, 2024
LEAD AND COPPER RULE REVISIONSHealth-based	Unaddressed	Oct 17, 2024
Total Haloacetic Acids (HAA5)	Resolved	Oct 1, 2024 to Dec 31, 2024
TTHM	Resolved	Oct 1, 2024 to Dec 31, 2024
Consumer Confidence Rule	Resolved	Jul 2, 2024 to Sep 17, 2024
Lead and Copper Rule	Resolved	Mar 31, 2024 to Aug 14, 2024
Public Notice	Resolved	Feb 25, 2024 to May 28, 2025
Public Notice	Resolved	Feb 18, 2024 to Aug 30, 2024
Public Notice	Resolved	Dec 14, 2023 to May 28, 2025
Revised Total Coliform RuleHealth-based	Unaddressed	Dec 2, 2023
Public Notice	Resolved	Nov 20, 2023 to May 28, 2025
Lead and Copper Rule	Resolved	Sep 29, 2023 to Aug 14, 2024
Public Notice	Resolved	Aug 17, 2023 to May 28, 2025
Consumer Confidence Rule	Resolved	Jul 1, 2023 to Jan 4, 2024
Lead and Copper Rule	Resolved	Jan 1, 2023 to Jul 10, 2023
Interim Enhanced Surface Water Treatment Rule	Resolved	Dec 1, 2022 to Dec 31, 2022
Interim Enhanced Surface Water Treatment Rule	Resolved	Oct 1, 2022 to Oct 31, 2022
Interim Enhanced Surface Water Treatment Rule	Resolved	Sep 1, 2022 to Sep 30, 2022
Public Notice	Resolved	Jul 18, 2022 to May 28, 2025
Lead and Copper Rule	Resolved	Jul 1, 2022 to Jul 10, 2023
CARBON, TOTAL	Resolved	Jul 1, 2022 to Sep 30, 2022
Consumer Confidence Rule	Resolved	Jul 1, 2022 to Jan 4, 2024
Interim Enhanced Surface Water Treatment Rule	Resolved	Jun 1, 2022 to Jun 30, 2022
Public Notice	Resolved	Apr 22, 2022 to Jan 11, 2023
CARBON, TOTAL	Resolved	Apr 1, 2022 to Jun 30, 2022
Public Notice	Resolved	Mar 23, 2022 to Apr 26, 2022
TTHM	Addressed	Mar 10, 2022
Public Notice	Resolved	Feb 17, 2022 to Apr 26, 2022
TTHM	Addressed	Jan 7, 2022
Lead and Copper Rule	Resolved	Jan 1, 2022 to Jul 10, 2023
TTHMHealth-based	Resolved	Jan 1, 2022 to Mar 31, 2022
Public Notice	Resolved	Nov 22, 2021 to Jan 11, 2023
TTHMHealth-based	Resolved	Oct 1, 2021 to Dec 31, 2021
Public Notice	Resolved	Sep 30, 2021 to Apr 26, 2022
Revised Total Coliform RuleHealth-based	Resolved	Sep 18, 2021 to Jul 17, 2025
Public Notice	Resolved	Aug 23, 2021 to Jan 11, 2023
Consumer Confidence Rule	Resolved	Jul 1, 2021 to Jan 4, 2024
TTHMHealth-based	Resolved	Jul 1, 2021 to Sep 30, 2021
Surface Water Treatment Rule	Resolved	May 1, 2021 to May 31, 2021
TTHMHealth-based	Resolved	Apr 1, 2021 to Jun 30, 2021
TTHM	Resolved	Mar 18, 2021 to Jun 10, 2021
Public Notice	Resolved	Feb 21, 2021 to Apr 13, 2021
Lead and Copper Rule	Resolved	Jan 1, 2021 to Apr 23, 2021
TTHMHealth-based	Resolved	Jan 1, 2021 to Mar 31, 2021
Public Notice	Addressed	Aug 25, 2018
Public Notice	Addressed	Nov 12, 2016

City summary

What the indexed records say

La Joya has 1 published ZIP profile across Hidalgo County. No qualifying nearby hardness observation is available for the city.

Because only one ZIP is represented, the city median and range are the same local estimate. It should not be read as multiple independent samples across the community.

Hardness distribution

How local ZIP estimates compare

Soft0 ZIPs

Moderately hard0 ZIPs

Hard0 ZIPs

Very hard0 ZIPs

0 of 1 ZIP profiles have a hardness estimate. Bars count ZIP profiles, not households or laboratory samples.

Evidence quality

Distance, dates, and confidence

Median nearest distance: — miles
Profiles with evidence: 0/1

Confidence labels

High: 0Moderate: 0Low: 0

Observation window: unavailable to unavailable.

ZIP directory

Water reports in La Joya

Open a ZIP for site-level provenance and measurements.

ZIP code

78560

No estimate

—

Nearest site: — mi
Confidence: —

View full ZIP evidence →

Practical next steps

Move from index to evidence

1. Open your ZIP. Check distance, dates, confidence, and the associated utility.
2. Read the current CCR. Confirm source water, detections, limits, ranges, and notices.
3. Use a measured hardness result. Confirm health concerns or treatment sizing with the right method.

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Questions people ask

About water in La Joya

Is the water hard?

Check the utility-reported result above when available. Nearby environmental samples cannot establish tap-water hardness. Ask your provider or test your tap.

Is the tap water safe?

Compliance history is utility-wide and cannot guarantee conditions at every tap. Check current notices and test when address-specific evidence is needed.

Do I need treatment?

Choose treatment only after confirming the problem at the property. A softener targets hardness; contaminant treatment requires a matching, verified performance claim.